#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int year = 1000;
	while (year <= 2000)
	{
		if (year % 4 == 0 && year % 100 != 0)
		{
			printf("%d ",year);
		}
		year++;
	}
	return 0;
}